<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="bundle.js"></script>
    <title>Title</title>
</head>
<body>
<div class="box" id="box1">
    <section>
        <input type="button" value="one" class="active">
        <input type="button" value="two">
        <input type="button" value="three">
    </section>
    <ul>
        <li class="show">one</li>
        <li>two</li>
        <li>three</li>
    </ul>
</div>
<div class="box" id="box2">
    <section>
        <input type="button" value="one" class="active">
        <input type="button" value="two">
        <input type="button" value="three">
    </section>
    <ul>
        <li class="show">one</li>
        <li>two</li>
        <li>three</li>
    </ul>
</div>
<div class="box" id="box3">
    <section>
        <input type="button" value="one" class="active">
        <input type="button" value="two">
        <input type="button" value="three">
    </section>
    <ul>
        <li class="show">one</li>
        <li>two</li>
        <li>three</li>
    </ul>
    <div>
        <span class="left"><</span>
        <span class="right">></span>
    </div>
</div>

<div></div>
</body>
</html>